Cook County Value

918 Cornell St, Wilmette, IL 60091

4 bed / 2 bath, 1,663 sqft, built 1955, in New Trier. Assessor market value for 2026: $676,860.

Cook County account 05283110050000

Assessor market value
$676,860
Tax year 2026 · before exemptions; the assessed value on your notice is 10% of it
Living area
1,663 sqft
$407 per sqft
Year built
1955
Average quality

Compare this assessment

Start with the county value and property facts, then review appraisal comps, recent sales, and prior-year changes to decide whether the assessment is worth challenging. The comps on this page are free to review; email sign-in is only used to save a printable report.

For nearby context, browse ZIP 60091 and New Trier assessment pages.

Local guide: New Trier Township 2026 Property Tax Appeal Guide.

Appeal deadlines

The 2026 appeal windows for New Trier have closed (Assessor , Board of Review ). 2027 notices usually start in March.

Deadline rule: Set by township: file with the Assessor by your township's last file date, and with the Board of Review while your township is open there. Evidence is reviewed by the Cook County Assessor's Office or, in a separate appeal, by the Cook County Board of Review. Dates checked against the official source.

Assessment snapshot

These public CCAO records highlight what may be worth checking before you file.

  • Assessment changeThe assessor market value decreased 7.3% from $730,000 in 2025 to $676,860 in 2026.
  • Assessor market value per square footThe current public record shows about $407 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the New Trier neighborhood and ZIP 60091.
  • Neighborhood value signalAmong 1,584 residential records in the same neighborhood, the average assessor market value is about $440 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.9% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 731 Roger Ave Kenilworth, IL 60043
    1,674 sqft | $468/sqft | built 1954 | Similar size (1,674 vs 1,663 sqft); Similar age (1954 vs 1955); Similar lot size (6,930 vs 6,762 sqft)
    $783,720
  • 923 Yale Ave, Wilmette, IL 60091
    1,680 sqft | $435/sqft | built 1954 | Similar size (1,680 vs 1,663 sqft); Similar age (1954 vs 1955); Similar lot size (6,750 vs 6,762 sqft)
    $730,000
  • 2142 Elmwood Ave, Wilmette, IL 60091
    1,660 sqft | $446/sqft | built 1955 | Similar size (1,660 vs 1,663 sqft); Built same year (1955); Similar lot size (6,600 vs 6,762 sqft)
    $740,000
  • 919 Cornell St, Wilmette, IL 60091
    1,732 sqft | $408/sqft | built 1957 | Similar size (1,732 vs 1,663 sqft); Similar age (1957 vs 1955); Similar lot size (6,700 vs 6,762 sqft)
    $706,810
  • 931 Yale St, Wilmette, IL 60091
    1,571 sqft | $420/sqft | built 1956 | 6% smaller (1,571 vs 1,663 sqft); Similar age (1956 vs 1955); Similar lot size (6,750 vs 6,762 sqft)
    $660,000

Recent comparable sales

Sales selected by similarity to the subject property.

Public appraisal comparison for 2026. Prepared . Appraisal source: Cook County Assessor's Office. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Down 7.3% in 2026 from 2025.

Assessor market value by tax year, with the change from the previous year listed
Tax yearAssessor market valueChangeChange %
2026$676,860−$53,140−7.3%
2025$730,000+$230,910+46.3%
2024$499,090——
2-year total+$177,770+35.6%